A Core deposit is a form of deposit you pay until returning your old part. If you don't have the core at the time of purchase, you must pay the core charge. That charge is refunded to you when you return the core.
Classic Racing SN 20W50 is highly recommended for high-performance cars requiring higher zinc protection than typical SN-quality oils and for older German cars such as Porsche, BMW, Mercedes-Benz, Volkswagen and Audi. Also suitable for Chrysler, Jeep, GM, Ford, Honda, Toyota, Nissan, Hyundai, Subaru and Suzuki. Classic SN 20W50 is ideal for racing due to its higher viscosity and special formulation. It is specially fortified with additional anti-wear protection.